forked from Mirrors/opensbi

Per PLIC spec, interrupt ID 0 is defined to mean "no interrupt". We should bypass it. Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Per PLIC spec, interrupt ID 0 is defined to mean "no interrupt". We should bypass it. Signed-off-by: Bin Meng <bmeng.cn@gmail.com>